If you’re not going to drop acid, you’ll at least want to get rip-roaring stoned (it’s legal, after all) before heading out to see this experimental Japanese psychedelic collective led by guitarist Kawabata Makoto, who views himself less as a songwriter and more as a conduit for all the sounds of the cosmos.

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The group’s songs move from walls of noisy guitars to ambient synths, and lack any kind of traditional structure. It’s abstract art, to be sure; if you can open your third eye, you’ll probably have a much better time taking it all in. With Master Musicians of Bukkake, Tjutjuna. Chop Suey, 1325 E. Madison St., 324-8005. 8 p.m. $12 adv./$15 DOS.